If everyone makes you a way because you're a Woman, not a good engineer - is there anything good about this?
Who cares about the picture, if these guys make nice laptops?
Ensuring that as many interested people as possible feel like they belong should be something that any subset of society thinks about, especially when publishing materials aimed at a broad audience.
The issue, for the record, isn't a single material. If there wasn't a problem in the first place, there'd be nothing to criticise here, except for it feeling a bit out of place - the fact that not many people feel a bit odd about a marketing material targeted towards "Linux nerds" that only features men is a small piece evidence for said problem.
Humans (regardless of whether they are male, female or other) are over-represented in that video and they add no useful information to prospective buyers.